验证QQ密码有效性时，异地QQ需要输入验证码。这个源码就是跳过QQ验证码的，但是，验证大约10个QQ时，会对IP限制。ADSL用户可以重拔号，换个IP再继续，固定IP用户可以用代理或是什么。-Password authentication qq effectiveness, place qq need to enter. the validate source code is to jump through qq validate, however, that s about ten qq, ip will be restricted. adsl the user can dial the number, ip will continue to the ip users can use the proxy or something.